--- ./lib/preferences/preferences.py.orig	2013-09-01 12:06:59.000000000 +0000
+++ ./lib/preferences/preferences.py	2014-07-14 18:46:50.000000000 +0000
@@ -4,6 +4,8 @@
 # Copyright (c) 2012, Yoshizumi Endo.
 # Licence: GPL3
 
+import sys
+
 from gi.repository import Gtk
 
 from ..plugins.twitter.assistant import TwitterAuthAssistant
@@ -16,6 +18,10 @@
 from feedsource import FeedSourceAction
 from filters import FilterAction
 
+_encoding = sys.getfilesystemencoding()
+if _encoding is None:
+    _encoding = 'utf-8'
+
 class Preferences(object):
 
     def __init__(self, mainwindow):
@@ -181,7 +187,7 @@
         for text in self.labels:
             self.combobox.append_text(text)
 
-        selected_theme = SETTINGS_VIEW.get_string('theme').decode('utf-8')
+        selected_theme = SETTINGS_VIEW.get_string('theme').decode(_encoding)
         if selected_theme not in self.labels:
             selected_theme = 'Default'
 
